CA459873A - Appareil multiplicateur de frequence de courants alternatifs - Google Patents

Appareil multiplicateur de frequence de courants alternatifs

Info

Publication number: CA459873A
Authority: CA; Canada
Prior art keywords: electric current; alternating electric; frequency multiplication; multiplication; alternating
Prior art date: 1949-09-20
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA459873A

Other languages

English (en)

Inventor

Hervey Bennett Walker Alec

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Siemens Mobility Ltd

Hitachi Rail STS USA Inc

Original Assignee

Westinghouse Brake and Signal Co Ltd

Union Switch and Signal Inc

Publication date

1949-09-20

1949-09-20 Application granted granted Critical

1949-09-20 Publication of CA459873A publication Critical patent/CA459873A/fr

Status Expired legal-status Critical Current

Links

CA459873A Appareil multiplicateur de frequence de courants alternatifs Expired CA459873A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA459873T

Publications (1)

Publication Number	Publication Date
CA459873A true CA459873A (fr)	1949-09-20

Family

ID=35578778

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA459873A Expired CA459873A (fr)			Appareil multiplicateur de frequence de courants alternatifs

Country Status (1)

Country	Link
CA (1)	CA459873A (fr)

0
- CA CA459873A patent/CA459873A/fr not_active Expired

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